package cn.itcast.service;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public interface ReportService {
    //按月查询
    List<Integer> findMemberByMonths( List<String> months);

    //查找业务
    Map<String, Object> findBusiness() throws Exception;


    List<Integer> findOrder ( List<String> months );

    List<Double> findIncome ( List<String> months );
}
